WO2012076412A1 - Dispositif d'affichage - Google Patents

Dispositif d'affichage Download PDF

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Publication number
WO2012076412A1
WO2012076412A1 PCT/EP2011/071627 EP2011071627W WO2012076412A1 WO 2012076412 A1 WO2012076412 A1 WO 2012076412A1 EP 2011071627 W EP2011071627 W EP 2011071627W WO 2012076412 A1 WO2012076412 A1 WO 2012076412A1
Authority
WO
WIPO (PCT)
Prior art keywords
color
display according
display
substrate
light
Prior art date
Application number
PCT/EP2011/071627
Other languages
German (de)
English (en)
Inventor
Thomas Zenker
Original Assignee
Schott Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102010061123A external-priority patent/DE102010061123A1/de
Priority claimed from DE202010013087U external-priority patent/DE202010013087U1/de
Application filed by Schott Ag filed Critical Schott Ag
Priority to EP17198018.8A priority Critical patent/EP3319073B1/fr
Priority to KR1020137003353A priority patent/KR101499369B1/ko
Priority to EP11802006.4A priority patent/EP2649609B1/fr
Priority to US13/824,893 priority patent/US9443492B2/en
Priority to CN201180057937.7A priority patent/CN103238174B/zh
Priority to JP2013542471A priority patent/JP6077456B2/ja
Publication of WO2012076412A1 publication Critical patent/WO2012076412A1/fr

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F23/00—Advertising on or in specific articles, e.g. ashtrays, letter-boxes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • H05B6/1218—Cooking devices induction cooking plates or the like and devices to be used in combination with them with arrangements using lights for heating zone state indication

Definitions

  • the invention relates to a display with a substrate, at least partially consisting of a partially transparent material, with inhomogeneous spectral transmission profile, wherein the substrate has a display side and a back, wherein in the region of the back at least one light-emitting element is arranged, which is controlled by a control unit.
  • glassy materials consisting of a glass or glass-ceramic material are used as substrates.
  • glass ceramic hobs which consist of a colored glass ceramic.
  • the coloring is required to prevent the view of the rear mounted technical installations such as heating elements and conductors.
  • light elements are used on the back which shine through the glass ceramic. Due to the inhomogeneous transmission profile of the substrate material is formed during the passage of light of mixed colors, or non-monochromatic light elements through the glass ceramic, a color shift, so that the color location of the light emitted by the light element differs from the display on the display side.
  • red displays can preferably be realized.
  • DE 10 2008 050 263 describes the transmission profile for a glass-ceramic cooking surface, which in particular also permits a transmission of blue light at approximately 450 nm and thus permits an extended color display capability.
  • colored displays such as color television CRTs or a variety of technical variations of color LCD displays that use at least 3 primary colors the entire color space in the color polygon between the primary colors used, in red-green-blue (RGB) in RGB Color triangle, the CIE color space (CIE-Commission international de l'eclaireage, standard valence system, sRGB see IEC 61966-2-1) can map, in particular the white point.
  • the basic colors used are RGB.
  • more than 3 primary colors for example cyan, yellow and magenta in addition.
  • LEDs colored light-emitting diodes
  • the spectral colors RGB available with LEDs are used as basic colors, for example with the wavelengths 470 nm, 520 nm and 630 nm.
  • white displays which are commercially based on white, broadband fluorescent light, such as fluorescent tubes, white LEDs or even glow lamps, not be used under such a substrate to produce a white color impression on the display level.
  • the white point is shifted to a color location in the direction of higher spectral transmission of the CIE polygon.
  • Both the color point and the brightness of the individual pixels can be generated, for example, by a different brightness control (gray scale) of the LCD pixels during the individual color sub-images (for example US Pat. No. 7,132,328, US Pat. No. 2005,169,221, US Pat. No. 7,486,304, US 200821 1973A, US Pat 2007285378 A, US 2002159002A, DE 19631700).
  • a different brightness control gray scale
  • the set on the display White point shifted by the different transmission of RGB primary colors and thus falsifies the color representation.
  • the entire color space in principle can also be represented here in a selected CIE polygon, enclosed in white, provided that all selected spectral primary colors at least partially cover the carrier substrate penetrate.
  • This also applies to newer types of black glass ceramic, for example according to DE 10 2008 050 263 or also to those which are produced by coloring with Ti 3+ by means of reducing refining (for example ZnS refining).
  • the luminous element has at least two, preferably three primary color lights and that the basic color brightness of at least one of the primary color lights is adjusted to the setting without a substrate, so that the color locus offset due to the inhomogeneous transmission profile of the substrate or to can be corrected to a desired color location, in particular a color polygon is spanned in the ClExyY color space, which allows white color settings.
  • the color locus compensation and color locus settings are set by a control unit.
  • the color locus on the display side of the substrate compensates for the original color locus of a monochrome display as a function of the transmission of the substrate material, in particular to a white color locus.
  • the white balance can be adjusted accordingly.
  • the technique according to the invention can be used for all partially transparent glasses, glass ceramics or other semitransparent substrates which have a spectrally inhomogeneous transmission for the selected basic colors, in particular the RGB primary colors.
  • This can be a continuous transmission range, with spectrally different transmission values of less than 100%, or else with separate RGB transmission windows of transmission values which permit the transmission of an RGB color triad or other primary colors of a color polygon.
  • glass ceramics are required which have an average transmission of> 0.2%, preferably of> 0.4 %, each for each of the spectral range of 420-500 nm, 500-620 nm and 550-640 nm.
  • the spectral transmission must not be too high to deny insight into the internal structure of the cooktops without additional aids, such as light-proof underside coatings, and to present an aesthetically preferred, uniformly colored, non-transparent cooktop.
  • this maximum transmission is defined as ⁇ 40%, preferably ⁇ 25% at 400 nm to 700 nm, and additionally at an average of ⁇ 4% between 450-600 nm.
  • Such substrates are often also referred to as "black glass ceramics", which is a Provide particularly good optical coverage to keep technical installations secluded.
  • the substrate has a transmission difference dT in the wavelength range between 470 nm and 630 nm of dT> 80%, preferably 95%>dT> 80%.
  • the displays according to the invention white and colored in the selected color space displays that were previously not representable.
  • a preferred embodiment of the invention is such that the relative transmission differences of the substrate at a wavelength of 520 nm in the range between 9% and 15% and at a wavelength of 470 nm is 7% and 13% relative to the transmission at a wavelength of 630 nm.
  • Such substrates with proportionate, "blue" transmission are visually appealing and can in particular also illuminate white with the displays on the display side.
  • the luminous element comprises three primary color lights, one of which emits red, green and blue light corresponding to an RGB triangle of the CIE color space.
  • These basic color lights can be obtained inexpensively as standardized components.
  • An embodiment with three-LED basic color lamps (4.1) is such that one emits light between the dominant wavelengths of 580 nm and 750 nm, a second between 480 nm and 590 nm and a third between 400 nm and 505 nm.
  • three LED base color lamps are used which emit light at the dominant wavelengths of 470 nm, 520 nm and 630 nm with a dominant wavelength deviation of ⁇ 5 nm.
  • the luminous element comprises two primary color lights, and that the connecting line of the color loci of these primary color lights in the ClExyY diagram the Wei ß Scheme Wi, in particular the Wei ß Scheme W 2 , cuts or tangent, particularly preferably the Planckfarbkurve cuts.
  • the peak wavelength of one of the two primary color lights in the range between 420 nm and 51 0 nm, particularly preferably in the range between 468 nm and 483 nm, and / or that the peak wavelength of one of the two primary color.
  • These basic color lights are particularly suitable for the fluoroscopy of common colored glass-ceramics, which can then be displayed on the display side of the substrate then white luminous phenomena.
  • the primary color lights with a peak wavelength in the preferred range of 468 nm to 483 nm and 570 nm to 585 nm are particularly suitable for common hob applications.
  • to represent a white color locus does not mean to be limited to the point of inconstancy E. Instead, the eye tolerates a wide color gamut area as a white impression. This depends, among other things, on the color locations of the surrounding surfaces, such as a red-black hob surface.
  • the aim is therefore, according to the invention for Wei ß-compensations to achieve a color locus within the limits of Wei ß Anlagenes W1 with color temperatures between 2000K and 10000K (CCT, color correlated temperature), preferably within the limits of White area W2 lies.
  • the white area W2 encloses the ANSI binning 1 A, 1 D, 8D defined in the ANSI, which are typically used by LED manufacturers to characterize the color loci of their white LEDs. This range corresponds to color temperatures of 2580K to 7040K, corresponding to a white impression from cool white to warm white.
  • the corner points of the white areas W1 and W2 defined in accordance with the invention in FIG. 1 are listed in FIG.
  • a display according to the invention can also be such that one or more elements are arranged on or in the region of the display side and / or the back, which are arranged at least in regions in the display area generated by the luminous element.
  • this display symbols, lettering, etc. backlit or such can be illuminated or illuminated.
  • the symbols, characters and areas can be generated here by masks which are firmly applied to the substrate or inserted between the display unit and the substrate or are part of a housing of the display.
  • the luminous element has an optical scattering element.
  • a light sensor receives a part of the light emitted on the display side and that in particular by means of a control unit, the spectral composition of the light emitted by the light emitting element is changeable.
  • age-related and temperature-induced color point shifts can be compensated, but also especially in connection with the spectrally inhomogeneous transparent substrate preselected, compensated color points can be set.
  • preselected color dots can be over a substrate series be set regardless of production-related fluctuations in the spectral transmission profile of individual substrates.
  • Suitable narrow-band primary color light sources are furthermore corresponding laser diodes or laser light sources.
  • the light-emitting element is advantageous to house the light-emitting element at least partially in a light-tight manner in order to avoid stray radiation and external light exposure.
  • thermochromic effects of the substrate can also be represented by means of color point shifts, in particular when setting a white point. Emerging thermal shifts in the transmission spectrum of the substrate would cause shifts in the color locus of the display away from the white point or towards the white point, which is well visible to the eye.
  • a plurality of lighting elements form a segment display and that each lighting element has three primary color lights, in particular that the lighting elements form a 7-segment display.
  • displays can be created using at least one RGB LED.
  • the color point can be chosen arbitrarily in the RGB triangle, preferably a white point, so that monochromatic, preferably white, displays can be displayed.
  • Solutions can also be provided for complex displays such as color displays (eg LCD, TFT).
  • color displays eg LCD, TFT.
  • a color locus shift of the backlighting of a display with color filters is a further variant according to the invention.
  • the backlight is provided via at least one RGB light element.
  • the color location of the backlighting is adjusted so that the Farbortverschiebung is compensated by the substrate. This leaves both the white point of the display and its primary colors almost at the original color location, as in a neutral spectrally uniformly transmitting substrate. Small but negligible deviations occur due to non-linear effects between the two filters, the substrate and the primary color filters. The non-linear effects occur by multiplying the two filter transmission spectra below the wavelength integral in the X, Y, Z functions of ClExyY formalism.
  • color displays without color filters the backlighting of which is provided pixel by pixel via at least one sequentially controlled lighting element, can be realized.
  • the white balance shifted through the substrate is compensated by the correction of the basic brightness of the primary color lights.
  • the sequential activation of the primary colors and of the individual luminous element then permits color representation and grayscale regulation, as can be represented in sequential displays.
  • Non-linear effects such as a display based on color filters and a corrected color location of the backlight do not occur here. In particular, intensity losses through the filters are avoided.
  • Figure 1 is a CIE / 1931 diagram by way of example with standardized sRGB, Adobe
  • RGB wg-RGB color spaces, standard white points and defined white areas W1 and W2;
  • FIG. 2 shows an enlarged detailed representation of the diagram according to FIG. 1;
  • FIG. 3 shows the coordination of the white areas indicated in FIGS. 1 and 2;
  • Figure 4 shows a schematic representation and a side view of a glass ceramic hob with a display
  • Figure 5 shows a commercial 7-segment display in a schematic representation
  • FIG. 6 shows an RGB variant of the 7-segment display
  • Figure 7 is a diagram in which the relative intensity (transmission over the
  • Wavelength of the light in the spectral range is shown.
  • Figure 8 is a CIE / 1931 diagram with exemplary color LED pairs of a
  • FIG. 4 shows a hob with a substrate 1 consisting of glass-ceramic material with a transmission between 0.1% and 40% (preferably 25%) in the spectral range between 400 nm and 700 nm.
  • the glass-ceramic is colored and partially transparent.
  • the transmission in the spectral range is inhomogeneous.
  • the transmission behavior is selected so that the substrate for the three primary colors red, green, blue of the RGB triangle according to the CIE color space (CIE Commission International de l'eclairage, Normvalenzsystem (see Figures 1 and 2)) different is permeable.
  • the display page 1 .1 forms the viewing and functional area on which cookware can be placed.
  • decorative elements 2.1 to 2.3 are coated and firmly connected to the substrate 1.
  • the decorative elements 2.1 to 2.3 are formed for example by baked in the substrate 1 ceramic colors.
  • the decorative elements 2.3 form, as known from the prior art, cooking zone markings.
  • a luminous element 4 is arranged, which is formed by an RGB LED.
  • This luminous element 4 has a red, a green and a blue light emitting LED as basic color lights 4.1.
  • the light ment 4 emits during operation a cone of light 5, which is passed through a lens 6.
  • the light of the RGB LEDs in the emerging light field 7 is mixed uniformly and homogeneously, so that after the lens 6 on the substrate 1, a homogeneous color impression is formed.
  • a light-tight housing 11.2 is used which shields the luminous element 4, the diffusing screen 6 and the entire light path under the substrate 1 from the surroundings.
  • the mixed light of the light field 7 is passed through the substrate 1 in the form of a light cone 8 and emitted on the display side 1 .1.
  • the decorative element 2.2 is illuminated.
  • the decorative elements 2.1 form, for example, a frame that is illuminated.
  • the (total) light emitted by the luminous element 4 is such that the nonuniform transmission of the substrate 1 is compensated for by adapting the basic color brightnesses of the individual primary color luminaires 4.1 In particular, a visually appealing white light representation can be generated.
  • the light of the light cone 8 is reflected on the display side 1 .1 and passed through the substrate 1 back to the back 1 .2.
  • a light sensor 10 is arranged.
  • the light sensor 10 is housed in a light-tight housing 1 1 .1.
  • the light sensor 10 picks up parts of the light of the emitted primary colors (RGB) after passing through the substrate 1.
  • a control unit 18 as used for example in the display of Figure 4, aging and / or temperature-induced color point shifts can be compensated.
  • FIG. 5 shows a commercially available 7-segment display 14 in which seven, preferably identical, LEDs are installed as lighting elements 4.
  • the lighting elements 4 each form a lighting segment 1 3 and are, as usual in 7-segment displays, grouped in the form of a 8.
  • a simple circuit construction is achieved in that all the light-emitting elements 4 are connected to a common anode A and in each case to a separate cathode K to K 7 .
  • FIG. 6 shows a modification of the 7-segment display 14 illustrated in FIG. 5.
  • the display 14 has seven preferably identical RGB LEDs in the form of light segments 1 3. These RGB LEDs correspond in each case to those according to FIG. 4.
  • Each RGB light segment 1 3 is again individually connected to a cathode Ki- 7 .
  • the cathodes of the individual RGB LEDs are interconnected.
  • the individual color primary color lights 4.1 are each connected in common to an anode A (R), A (G) and A (B).
  • connectable or controllable current driver 1 7 and switch 1 7.1 of a control unit 1 8 are provided, which are included in a circuit with a voltage source 1 6.
  • the desired on-site color locus is fixed by preselected base current intensities 1 b (R, G, B) by means of connectable current drivers 1 7, which corresponds either to a desired color impression or a compensated color locus or to a fixed white balance for one Color display application (not shown here).
  • the control can correct the fixed color locus settings, for example, due to an error signal of the sensor 1 0, or adjust a desired brightness or set a different color location for each light element, especially in color displays or monochrome displays with changing color locations.
  • Both the settings of the brightness (gray value) and the color locus can be effected, for example, by means of the usual pulse width modulation (PWM) by means of the switches 17.1 via a mean attenuation factor f (R, G, B) or via programmable current drivers 17.
  • PWM pulse width modulation
  • the average current l b (R, G, B) -f (R, G, B) controls selectable background brightness of the primary color elements (4.1).
  • Controls during a full switching cycle a control block 18.3 the selected on / off switching states of the switches S (1, .., 7) 17.2 for the cathode terminals K1 -K7 to represent the corresponding 7-segment symbol.
  • the basic brightnesses can be further reduced during a sequential control of the lighting elements 4 via the control block 18.3.
  • RGB 7-segment display leads to a minimum of 9 connections.
  • Another setup would be with a single common anode A and 3 cathodes each K (R), K (G), K (B) terminals per light segment 13. This results in a total of 22 ports.
  • the color locations and brightnesses are then individually adjustable for each light segment 13.
  • Corresponding displays can also be displayed with common cathodes.
  • the control unit 18 may advantageously be associated with a light sensor 10. If, for example, as mentioned above, due to aging or as a result of temperature changes on the display side 1 .1, a shift of the preset color location is formed, this is detected by the light sensor 10.
  • the PWM is then adjusted so that takes place via a regulation of the average current ratio between the RGB primary color lights 4.1, a change in the mixing ratio of the light emitted from the light emitting segments 13.
  • this control electronically, for example, so that the color point shift is compensated with tabular deposited color mixing ratios.
  • control scheme is not limited to a 7-segment display 14, but can also be used in any other display according to the invention.
  • the desired display-side color location of a monochrome LCD display can be set in rule block 18.1, in particular, for example, again white.
  • the control block 18.2 can advantageously correct a color error signal of a sensor 10.
  • the color location of a monochrome display can be so that additional information content associated with colors can be conveyed.
  • the color locus of a color LCD display whose primary color generation is based on color filters, can be set with control block 18.1 to a desired white point on the display side and continuously corrected or changed via rule block 18.2.
  • sequential color displays according to FIG. 6 mentioned at the outset can be provided in such a way that the color location of the display shifted by the substrate 1 is set by the control block 18.1 for all pixel RGB luminous elements to a desired white point on the display side.
  • Rule block 18.2 adopts the color corrections due to error signals of a sensor 10 or the setting of alternative color locations (white points).
  • the basic colors for activating the partial color images are switched sequentially via the control block 18.2 by means of switches 17.1.
  • Optional line circuits can be realized via control block 18.2 by means of switch 17.1 or control block 18.3 by means of switch 17.2.
  • the image content in the form of gray values for each individual base color is generated via the LCD display.
  • Typical, exemplary relative transmission values for the glass-ceramic of SCHOTT AG CERAN HIGH TRANS eco ® are illustrated in Figure 7 for this material.
  • the relative intensity of the light is plotted against the wavelength of the light for individual wavelengths in the range between 450 nm and 700 nm.
  • the substrate 1 for the color red wavelength 630 nm
  • the relative green and blue transmittances are 12.1% and 9.6% (520 nm and 470 nm), respectively.
  • the RGB intensities of an ideally monochromatic RGB luminaire would have to be relatively 9.6% (red), 78.9% (green) and 100% (blue) to compensate for the spectral, inhomogeneous transmission of the substrate.
  • the exact intensity ratios depend on the spectral width of each RGB fixture and must be calculated using the XYZ integrals of ClExyY formalism.
  • the luminous element is designed such that it comprises only two primary color lights, which are exemplified as color LEDs.
  • Two color LEDs span a color space, which can be represented by the connecting line whose color loci are in the ClExyY diagram, as FIG. 8 illustrates.
  • the color loci are again within or on the trichromatic curve T.
  • a white color location in particular also a normalized white point W, can be set with a suitable choice of those emission wavelengths; it is even possible to control the intensity ratios of the white color locus be changed between warm and cold white.
  • a two-light element arrangement is advantageous in comparison with a three-light element arrangement (for example RGB) in that the sizes of the light elements can be made smaller, by way of example in the form of a seven-segment display.
  • the smallest possible display size of a 7-segment display is determined by the number of primary color lamps (for example LEDs) in a segment. At present, the smallest display heights of 13mm can be realized for two-LED arrangements, for three-LED displays of 20mm.
  • a two-light-element arrangement is to be realized, which intersects or touches the white area W1 or the white area W2 (ANSI_NEMA_ANSLG C78.377-2008) in the CIExyY (2 °) diagram (see Figure 8), preferably the Planck color curve (Planck Locus) cuts or touches.
  • two color LEDs are implemented in pairs as a two-light element arrangement, the peak wavelengths of 478 nm and nm and 575 + j0 nm.
  • FIG. 8 shows exemplary LED pairs labeled with their peak wavelengths, the gray circle symbols localize the color locations of the LED light directly, the black circle symbols locate the color locations of the LED light viewed through a CERAN HIGHTRANS® eco sample.
  • the color LEDs typically have a spectral half-width of only 20-25 nm, due to the spectrally inhomogeneous filter property of the glass ceramic, there is only a slight color locus shift when viewed through the glass ceramic in comparison to the directly observed LED light.
  • the dashed lines between the LED pairs represent the realizable color space (color location line) of the LED pairs.
  • thermochromic hot displays can be realized, which also enable an operating state display in the hot cooking zone area.
  • the RGB light of one or more light-emitting elements 4 can be fed into light-conducting fibers, in particular glass fibers, and to be coupled into the substrate 1 at the desired location of the rear side 1 .2.
  • the invention is not limited to the described embodiments.
  • the displays according to the invention can also be used in particular for the backlighting of colored architectural glasses.

Abstract

L'invention concerne un dispositif d'affichage comprenant un substrat (1), se composant au moins en partie d'un matériau partiellement transparent, présentant des caractéristiques de transmission spectrales non homogènes, le substrat (1) comportant une face d'affichage (1.1) et une face arrière (1.2), au moins un élément lumineux (4) étant disposé dans la zone de la face arrière (1.2). Selon l'invention, l'élément lumineux (4) comporte au moins deux, de préférence trois, lampes de couleurs primaires, et la luminosité des couleurs primaires d'au moins une des lampes de couleurs primaires est différente afin de compenser les caractéristiques de transmission spectrales non homogènes du substrat.
PCT/EP2011/071627 2010-12-08 2011-12-02 Dispositif d'affichage WO2012076412A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP17198018.8A EP3319073B1 (fr) 2010-12-08 2011-12-02 Dispositif d'affichage
KR1020137003353A KR101499369B1 (ko) 2010-12-08 2011-12-02 디스플레이
EP11802006.4A EP2649609B1 (fr) 2010-12-08 2011-12-02 Dispositif d'affichage
US13/824,893 US9443492B2 (en) 2010-12-08 2011-12-02 Display with non-homogenous spectral transmission curve
CN201180057937.7A CN103238174B (zh) 2010-12-08 2011-12-02 显示器
JP2013542471A JP6077456B2 (ja) 2010-12-08 2011-12-02 ディスプレイ

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE102010061123A DE102010061123A1 (de) 2010-12-08 2010-12-08 Anzeige
DE202010013087U DE202010013087U1 (de) 2010-12-08 2010-12-08 Anzeige
DE202010013087.5 2010-12-08
DE102010061123.9 2010-12-08
DE102011050878.3 2011-06-06
DE102011050878.3A DE102011050878C9 (de) 2010-12-08 2011-06-06 Anzeige

Publications (1)

Publication Number Publication Date
WO2012076412A1 true WO2012076412A1 (fr) 2012-06-14

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Application Number Title Priority Date Filing Date
PCT/EP2011/071627 WO2012076412A1 (fr) 2010-12-08 2011-12-02 Dispositif d'affichage

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US (1) US9443492B2 (fr)
EP (2) EP3319073B1 (fr)
JP (1) JP6077456B2 (fr)
KR (1) KR101499369B1 (fr)
CN (1) CN103238174B (fr)
WO (1) WO2012076412A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2575124A2 (fr) 2011-09-28 2013-04-03 E.G.O. ELEKTRO-GERÄTEBAU GmbH Dispositif d'affichage, appareil électrique et procédé d'affichage
DE202018102534U1 (de) 2017-12-22 2018-05-15 Schott Ag Transparente, eingefärbte Lithiumaluminiumsilikat-Glaskeramik
DE202018104880U1 (de) 2018-08-24 2018-09-13 Schott Ag Kochgeräte mit erhöhtem Bedienkomfort, intuitiver Steuerung und verbesserter Nutzersicherheit
DE102018120740A1 (de) 2018-08-24 2019-02-14 Schott Ag Kochgeräte mit erhöhtem Bedienkomfort, intuitiver Steuerung und verbesserter Nutzersicherheit
US10995961B2 (en) 2017-12-22 2021-05-04 Schott Ag Fitout articles and articles of equipment for kitchens or laboratories with a lighting element
US11072557B2 (en) 2017-12-22 2021-07-27 Schott Ag Glass ceramic with reduced lithium content
US11097979B2 (en) 2017-12-22 2021-08-24 Schott Ag Cover panel with colour-neutral coating
US11136262B2 (en) 2017-12-22 2021-10-05 Schott Ag Fitout articles and articles of equipment for kitchens or laboratories with a display device

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9462683B2 (en) 2014-10-27 2016-10-04 Haier Us Appliance Solutions, Inc. Appliance using colored material for appearance of desired color light on user interface
US9459004B2 (en) 2014-10-27 2016-10-04 Haier Us Appliance Solutions, Inc. Appliance using fluorescent material for appearance of desired color light on user interface
US9459011B2 (en) 2014-10-27 2016-10-04 Haier Us Appliance Solutions, Inc. Appliance using colored or fluorescent light guides for appearance of desired color light on user interface
EP3031785B1 (fr) * 2014-12-12 2018-10-17 Schott AG Procede de fabrication d'un element en vitroceramique faisant appel a un revetement structure
US10523690B2 (en) 2015-06-30 2019-12-31 K4Connect Inc. Home automation system including device controller for terminating communication with abnormally operating addressable devices and related methods
US10893467B2 (en) 2015-06-30 2021-01-12 K4Connect Inc. Home automation system including selective operation of paired device based upon voice commands and related methods
JP6650475B2 (ja) 2015-06-30 2020-02-19 ケー４コネクト インコーポレイテッド デバイス署名ペアリングを含むホームオートメーションシステム及び関連方法
WO2017004204A1 (fr) 2015-06-30 2017-01-05 K4Connect Inc. Système d'automatisation domestique (ha) comprenant la mise en œuvre d'une scène souhaitée sur la base d'une liste sélectionnable par l'utilisateur de dispositifs ha adressables et procédés associés
JP6739456B2 (ja) 2015-06-30 2020-08-12 ケー４コネクト インコーポレイテッド クラウド及びホームメッセージキュー同期を含むホームオートメーションシステム、並びに関連方法
US10630649B2 (en) 2015-06-30 2020-04-21 K4Connect Inc. Home automation system including encrypted device connection based upon publicly accessible connection file and related methods
CN108141395B (zh) 2015-06-30 2021-04-16 K4连接股份有限公司 包括云和家庭消息队列同步的家庭自动化系统及相关方法
US10021751B2 (en) 2015-12-16 2018-07-10 Black Tank Llc Lighting system and method for PWM adjustable current control
JP6617728B2 (ja) * 2017-02-03 2019-12-11 京セラドキュメントソリューションズ株式会社 原稿読取装置
US10637680B2 (en) 2017-12-06 2020-04-28 K4Connect Inc. Home automation system including shareable capacity determining hub devices and related methods
US10708079B2 (en) 2017-12-07 2020-07-07 K4Connect Inc. Home automation system including designated hub device to push downloaded media content and related methods
US10686620B2 (en) 2017-12-07 2020-06-16 K4Connect Inc. Home automation system including designated user interface device to push downloaded media content and related methods
US20190311464A1 (en) * 2018-04-05 2019-10-10 Qualcomm Incorporated Tuning for deep-learning-based color enhancement systems
JP7241578B2 (ja) * 2019-03-15 2023-03-17 リンナイ株式会社 液晶表示装置及びこれを備えた加熱調理器
JP7479147B2 (ja) 2019-12-26 2024-05-08 株式会社イトーキ 椅子
CN115713894B (zh) * 2022-11-17 2023-10-03 浙江长兴诺万特克玻璃有限公司 一种基于微晶玻璃面板的白光显色装置及其光色调节方法

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19631700A1 (de) 1996-08-06 1998-02-12 Mannesmann Vdo Ag Anzeigevorrichtung
US20020159002A1 (en) 2001-03-30 2002-10-31 Koninklijke Philips Electronics N.V. Direct backlighting for liquid crystal displays
US20050116921A1 (en) 2003-11-27 2005-06-02 Kim Tae-Soo Field sequential liquid crystal display
DE102004034761A1 (de) * 2004-07-12 2006-02-02 E.G.O. Elektro-Gerätebau GmbH Kochsystem mit Anzeigevorrichtung
US7123228B2 (en) 2000-12-22 2006-10-17 Hunet Display Technology Inc. Liquid crystal drive apparatus and gradation display method
US20070285378A1 (en) 2006-06-09 2007-12-13 Philips Lumileds Lighting Company, Llc LED Backlight for LCD with Color Uniformity Recalibration Over Lifetime
US20080211973A1 (en) 2005-05-23 2008-09-04 Koninklijke Philips Electronics, N.V. Spectrum Sequential Display Having Reduced Cross Talk
US7486304B2 (en) 2005-12-21 2009-02-03 Nokia Corporation Display device with dynamic color gamut
EP2068192A1 (fr) * 2007-12-04 2009-06-10 Samsung Electronics Co., Ltd. Ensemble de source lumineuse, affichage à cristaux liquides en disposant, et procédé de commande d'un ensemble de source lumineuse
DE102008050263A1 (de) 2008-10-07 2010-04-08 Schott Ag Transparente, eingefärbte Kochfläche mit verbesserter farbiger Anzeigefähigkeit und Verfahren zur Herstellung einer solchen Kochfläche
DE102009013127A1 (de) 2009-03-13 2010-09-16 Schott Ag Transparente, eingefärbte Kochfläche

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1631700U (de) 1951-10-11 1951-11-29 Hartmann & Co W Eckverbindung fuer schaufensterrahmen.
JP3040667B2 (ja) 1994-08-29 2000-05-15 シャープ株式会社 透過型表示装置の輝点欠陥修正方法
US7583279B2 (en) * 2004-04-09 2009-09-01 Samsung Electronics Co., Ltd. Subpixel layouts and arrangements for high brightness displays
US7521667B2 (en) * 2003-06-23 2009-04-21 Advanced Optical Technologies, Llc Intelligent solid state lighting
US6995355B2 (en) 2003-06-23 2006-02-07 Advanced Optical Technologies, Llc Optical integrating chamber lighting using multiple color sources
US7506996B2 (en) * 2004-01-22 2009-03-24 Continental Automotive Systems Us, Inc. Illuminated display having two single-colored light sources
WO2005109956A1 (fr) 2004-05-10 2005-11-17 Kabushiki Kaisha Toshiba Appareil de cuisson par chauffage
US7462502B2 (en) 2004-11-12 2008-12-09 Philips Lumileds Lighting Company, Llc Color control by alteration of wavelength converting element
JP4736481B2 (ja) * 2005-03-14 2011-07-27 ソニー株式会社 半導体装置
FR2885995B1 (fr) * 2005-05-20 2007-07-06 Eurokera Plaque vitroceramique et son procede de fabrication
JP4765525B2 (ja) 2005-06-29 2011-09-07 日本電気硝子株式会社 発光色変換部材
JP4894186B2 (ja) 2005-07-26 2012-03-14 日本電気硝子株式会社 蛍光体及び発光ダイオード
US7551158B2 (en) 2005-12-13 2009-06-23 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Display device and method for providing optical feedback
DE502006004506D1 (de) * 2006-03-20 2009-09-24 Schott Ag Transparente, farblose Lithium-Aluminosilikat-Glaskeramikplatte mit blickdichter, farbiger Unterseitenbeschichtung
DE102006027739B4 (de) * 2006-06-16 2008-05-29 Schott Ag Kochfeld mit einer Glaskeramikplatte als Kochfläche
KR20090051262A (ko) 2006-09-06 2009-05-21 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 광 생성 방법, 백색광 생성 및 방출 장치, 그의 사용 및 ｄｌｐ 또는 ｌｃｄ 패널
US7554060B2 (en) * 2006-09-29 2009-06-30 England Raymond O Displaying cooking-related information
US7507681B2 (en) * 2007-02-28 2009-03-24 Eurokera Glass-ceramic, articles and fabrication process
US20100013872A1 (en) 2007-06-11 2010-01-21 Takeshi Masuda Liquid crystal display device
EP3840532B1 (fr) * 2008-03-10 2022-08-31 Panasonic Holdings Corporation Dispositif de cuisson par induction
DE102008040097B4 (de) * 2008-07-02 2011-04-21 Schott Ag Schwarz getönte LAS-Glaskeramik
JP2010024278A (ja) 2008-07-16 2010-02-04 Stanley Electric Co Ltd 蛍光体セラミック板およびそれを用いた発光素子
KR20100030470A (ko) 2008-09-10 2010-03-18 삼성전자주식회사 다양한 색 온도의 백색광을 제공할 수 있는 발광 장치 및 발광 시스템
DE102009010952A1 (de) 2009-02-27 2010-09-09 Schott Ag Beschichtung für den Anzeigebereich von Glas- oder Glaskeramik-Scheiben, Verfahren zur Herstellung einer solchen Beschichtung und deren Verwendung
FR2955400B1 (fr) 2010-01-21 2012-03-23 Eurokera Ensemble d'affichage comprenant une plaque en vitroceramique
DE102010061123A1 (de) 2010-12-08 2012-06-14 Schott Ag Anzeige
DE202010013087U1 (de) 2010-12-08 2011-02-24 Schott Ag Anzeige

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19631700A1 (de) 1996-08-06 1998-02-12 Mannesmann Vdo Ag Anzeigevorrichtung
US7123228B2 (en) 2000-12-22 2006-10-17 Hunet Display Technology Inc. Liquid crystal drive apparatus and gradation display method
US20020159002A1 (en) 2001-03-30 2002-10-31 Koninklijke Philips Electronics N.V. Direct backlighting for liquid crystal displays
US20050116921A1 (en) 2003-11-27 2005-06-02 Kim Tae-Soo Field sequential liquid crystal display
DE102004034761A1 (de) * 2004-07-12 2006-02-02 E.G.O. Elektro-Gerätebau GmbH Kochsystem mit Anzeigevorrichtung
US20080211973A1 (en) 2005-05-23 2008-09-04 Koninklijke Philips Electronics, N.V. Spectrum Sequential Display Having Reduced Cross Talk
US7486304B2 (en) 2005-12-21 2009-02-03 Nokia Corporation Display device with dynamic color gamut
US20070285378A1 (en) 2006-06-09 2007-12-13 Philips Lumileds Lighting Company, Llc LED Backlight for LCD with Color Uniformity Recalibration Over Lifetime
EP2068192A1 (fr) * 2007-12-04 2009-06-10 Samsung Electronics Co., Ltd. Ensemble de source lumineuse, affichage à cristaux liquides en disposant, et procédé de commande d'un ensemble de source lumineuse
DE102008050263A1 (de) 2008-10-07 2010-04-08 Schott Ag Transparente, eingefärbte Kochfläche mit verbesserter farbiger Anzeigefähigkeit und Verfahren zur Herstellung einer solchen Kochfläche
DE102009013127A1 (de) 2009-03-13 2010-09-16 Schott Ag Transparente, eingefärbte Kochfläche

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2575124A2 (fr) 2011-09-28 2013-04-03 E.G.O. ELEKTRO-GERÄTEBAU GmbH Dispositif d'affichage, appareil électrique et procédé d'affichage
US8820980B2 (en) 2011-09-28 2014-09-02 E.G.O. Elektro-Gerätebau GmbH Display apparatus, electrical appliance and display method
WO2019121742A1 (fr) 2017-12-22 2019-06-27 Schott Ag Vitrocéramique colorée, transparente, à base de silicate de lithium et d'aluminium ainsi que procédé pour la fabrication et utilisation de la vitrocéramique
DE102018110908A1 (de) 2017-12-22 2018-06-21 Schott Ag Transparente, eingefärbte Lithiumaluminiumsilikat-Glaskeramik sowie Verfahren zur Herstellung und Verwendung der Glaskeramik
DE202018102534U1 (de) 2017-12-22 2018-05-15 Schott Ag Transparente, eingefärbte Lithiumaluminiumsilikat-Glaskeramik
US10995961B2 (en) 2017-12-22 2021-05-04 Schott Ag Fitout articles and articles of equipment for kitchens or laboratories with a lighting element
US11059739B2 (en) 2017-12-22 2021-07-13 Schott Ag Coloured stove sightglass with colour-neutral transmission characteristics
US11072557B2 (en) 2017-12-22 2021-07-27 Schott Ag Glass ceramic with reduced lithium content
US11097979B2 (en) 2017-12-22 2021-08-24 Schott Ag Cover panel with colour-neutral coating
US11136262B2 (en) 2017-12-22 2021-10-05 Schott Ag Fitout articles and articles of equipment for kitchens or laboratories with a display device
US11267748B2 (en) 2017-12-22 2022-03-08 Schott Ag Transparent coloured lithium aluminium silicate glass ceramic and process for production and use of the glass ceramic
US11365889B2 (en) 2017-12-22 2022-06-21 Schott Ag Fitout articles and articles of equipment for kitchens or laboratories with a lighting element
US11724960B2 (en) 2017-12-22 2023-08-15 Schott Ag Glass ceramic with reduced lithium content
DE202018104880U1 (de) 2018-08-24 2018-09-13 Schott Ag Kochgeräte mit erhöhtem Bedienkomfort, intuitiver Steuerung und verbesserter Nutzersicherheit
DE102018120740A1 (de) 2018-08-24 2019-02-14 Schott Ag Kochgeräte mit erhöhtem Bedienkomfort, intuitiver Steuerung und verbesserter Nutzersicherheit

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JP2014507673A (ja) 2014-03-27
EP3319073B1 (fr) 2020-08-05
CN103238174A (zh) 2013-08-07
US9443492B2 (en) 2016-09-13
KR20130052671A (ko) 2013-05-22
EP2649609A1 (fr) 2013-10-16
EP2649609B1 (fr) 2018-09-26
KR101499369B1 (ko) 2015-03-05
CN103238174B (zh) 2017-08-08
EP3319073A1 (fr) 2018-05-09
JP6077456B2 (ja) 2017-02-08

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